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# frozen_string_literal: true
module GraphQL
class Schema
class Validator
# You can use this to allow certain values for an argument.
#
# Usually, a {GraphQL::Schema::Enum} is better for this, because it's self-documenting.
#
# @example only allow certain values for an argument
#
# argument :favorite_prime, Integer, required: true,
# validates: { inclusion: { in: [2, 3, 5, 7, 11, ... ] } }
#
class InclusionValidator < Validator
# @param message [String]
# @param in [Array] The values to allow
def initialize(in:, message: "%{validated} is not included in the list", **default_options)
# `in` is a reserved word, so work around that
@in_list = binding.local_variable_get(:in)
@message = message
super(**default_options)
end
def validate(_object, _context, value)
if permitted_empty_value?(value)
# pass
elsif !@in_list.include?(value)
@message
end
end
end
end
end
end
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